RE: Reverse DNS

  • From: "Shawn Moua" <smoua@xxxxxxxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Fri, 12 Nov 2004 16:08:08 -0800


This will help block spam but will also block legitimate emails as well.
I would advise you to not use it because of this very reason.  There are
a lot of businesses out there that don't have reverse dns entries (or
setup correctly anyways)...Try looking into good third-party email
filtering software.

Shawn M.

> -----Original Message-----
> From: Darren Haun [mailto:dhaun@xxxxxxxxxxxxx]
> Sent: Thursday, November 11, 2004 7:15 AM
> To: [ExchangeList]
> Subject: [exchangelist] Reverse DNS
> How do you set up Reverse DNS on your Exchange Server to reject
> that don't correspond to the IP address/Reverse DNS entry.  This
tactic is
> usually used to block spam.

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